Wi-Fi or WiFi (/ˈwaɪ faɪ/) is a technology that allows electronic devices to connect to a wireless LAN (WLAN) network, mainly using the 2.4 gigahertz (12 cm) UHF and 5 gigahertz (6 cm) SHF ISM radio bands. A WLAN is usually password protected, but may be open, which allows any device within its range to access the resources of the WLAN network.
The Wi-Fi Alliance defines Wi-Fi as any “wireless local area network” (WLAN) product based on the Institute of Electrical and Electronics Engineers’ (IEEE) 802.11 standards. However, the term “Wi-Fi” is used in general English as a synonym for “WLAN” since most modern WLANs are based on these standards. “Wi-Fi” is a trademark of the Wi-Fi Alliance. The “Wi-Fi Certified” trademark can only be used by Wi-Fi products that successfully complete Wi-Fi Alliance interoperability certification testing.
Devices which can use Wi-Fi technology include personal computers, video-game consoles, smartphones, digital cameras, tablet computers, digital audio players and modern printers. Wi-Fi compatible devices can connect to the Internet via a WLAN network and a wireless access point. Such an access point (or hotspot) has a range of about 20 meters (66 feet) indoors and a greater range outdoors. Hotspot coverage can be as small as a single room with walls that block radio waves, or as large as many square kilometres achieved by using multiple overlapping access points.
Wi-Fi is less secure than wired connections, such as Ethernet, precisely because an intruder does not need a physical connection. Web pages that use TLS are secure, but unencrypted Internet access can easily be detected by intruders. Because of this, Wi-Fi has adopted various encryption technologies. The early encryption WEP proved easy to break. Higher quality protocols (WPA, WPA2) were added later. An optional feature added in 2007, called Wi-Fi Protected Setup (WPS), had a serious flaw that allowed an attacker to recover the router’s password. The Wi-Fi Alliance has since updated its test plan and certification program to ensure all newly certified devices resist attacks.
Many are on edge because they can’t imagine a world without the internet. But every good thing has it’s bad side and it’s better to educated yourself to be safe.
When exposed to electromagnetic radiation, you will have more difficulty falling asleep. So when you can’t sleep maybe you should just turn off your phone.
Affects cell growth
Sleeping with your phone next to your head can affect your ability to concentrate.
Experiment: One set of plants was grown in a room free of wireless radiation; the other group grew next to two routers that released the same amount of radiation as a cell phone.
Result: The plants closest to the radiation didn’t grow.
Reduces brain activity in females
Experiment: A group of 30 healthy volunteers, 15 men and 15 women, were given a simple memory test. First, the entire group was tested without any exposure to Wi-Fi radiation and the results were fine.
Then, they were exposed to 2.4 GHz Wi-Fi from a wireless access point for about 45 minutes.
Result: During that portion of the testing, brain activity was measured and the women had a noticeable change in brain activity and energy levels.
Effects on fertility
Results of experiments on animals show that some specific wireless frequencies can prevent egg implantation. According to the Global Healing Center, during the study, mice exposed 2 hours a day for 45 days had significantly increased oxidative stress levels.
Your heart reacts when surrounded by wireless networks including 3G and LTE phones. Your heart rate increases as if you are under stress. You may have not noticed this because you weren’t aware of the dangers.
All this seems scary but the use of your wireless networks can be regulated.
Every time you’re not using your wireless device you can put it away. You don’t necessarily have to turn it off, but ensure you switch off your mobile data and any wireless routers in the house.
It is more important to do so before you sleep and avoid sleeping with your phone under your pillow.